The role of soil components in synthetic mixtures during the adsorption and speciation changes of Cr(VI): Conjunction of the modeling approach with spectroscopic and isotopic investigations.
Adsorption modeling
Chromate reduction
Cr isotopes
Soil component mixtures
X-ray absorption spectroscopy
Journal
Environment international
ISSN: 1873-6750
Titre abrégé: Environ Int
Pays: Netherlands
ID NLM: 7807270
Informations de publication
Date de publication:
06 2019
06 2019
Historique:
received:
30
11
2018
revised:
26
02
2019
accepted:
27
03
2019
pubmed:
11
5
2019
medline:
23
10
2019
entrez:
11
5
2019
Statut:
ppublish
Résumé
This study investigates redox transitions associated with the adsorption of Cr(VI) on commonly occurring soil components (silicates, oxides and humic acids) and their synthetic mixtures by coupling the mechanistic surface complexation modeling with spectroscopic and isotopic analyses. The mixtures of soil components were prepared to reflect the composition of the real anthroposol sample, determined by X-ray Powder Diffraction (XRD), total organic carbon (TOC) measurement and extraction methods. The effect of different initial Cr(VI) concentrations (2×10
Identifiants
pubmed: 31075676
pii: S0160-4120(18)32943-X
doi: 10.1016/j.envint.2019.03.066
pii:
doi:
Substances chimiques
Ferric Compounds
0
Soil
0
Soil Pollutants
0
Chromium
0R0008Q3JB
chromium hexavalent ion
18540-29-9
ferric oxide
1K09F3G675
ferric oxyhydroxide
87PZU03K0K
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
848-857Informations de copyright
Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.